Map of today's active volcanoesStromboli (Eolian Islands, Italy): (1 Apr) The effusive-explosive eruption at the volcano continues.The lava continues to emerge from the North Crater and keeps the flow in the upper Sciara del Fuoco.The seismic instrument detected a slight increase in volcanic tremor yesterday.Shiveluch (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 29000 ft (8800 m) altitude or flight level 290 and is moving at 20 kts in E direction.The full report is as follows: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG:01/1120Z to 29000 ft (8800 m)Mayon (Luzon Island, Philippines): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20260401/1159Z FL110 EXTD SW REPORTED OBS VA DTG:01/1200ZIbu (Halmahera, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .The full report is as follows: VA TO FL070 LAST REP AT 01/1347Z MOV W EST VA DTG:01/1440Z to 7000 ft (2100 m)Semeru (East Java, Indonesia): (31 Mar) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 05 kts in S direction.The full report is as follows: VA TO FL150 OBS AT 31/2110Z OBS VA DTG:31/2110Z to 15000 ft (4600 m)Dukono (Halmahera): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .The full report is as follows: VA TO FL070 OBS EXT E AT 01/1100Z OBS VA DTG:01/1100Z to 7000 ft (2100 m)Fuego (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .The full report is as follows: VA EMS ONGOING to 14000 ft (4300 m)Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 24000 ft (7300 m) altitude or flight level 240 .The full report is as follows: VA EM DTCTD to 24000 ft (7300 m)Reventador (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 10 kts in E direction.The full report is as follows: NEW VA EMS OBS to 15000 ft (4600 m)Sabancaya (Peru): (1 Apr) Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: UNABLE TO DETECTVolcano Activity Summary for 1 Apr 2026: